109939186 has 16 divisors (see below), whose sum is σ = 189281664. Its totient is φ = 46913184.

The previous prime is 109939177. The next prime is 109939231. The reversal of 109939186 is 681939901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13590 + ... + 20113.

It is an arithmetic number, because the mean of its divisors is an integer number (11830104).

Almost surely, 2^109939186 is an apocalyptic number.

109939186 is a deficient number, since it is larger than the sum of its proper divisors (79342478).

109939186 is a wasteful number, since it uses less digits than its factorization.

109939186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33945.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 109939186 is about 10485.1888871875. The cubic root of 109939186 is about 479.0536708209.

The spelling of 109939186 in words is "one hundred nine million, nine hundred thirty-nine thousand, one hundred eighty-six".